The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 7224470 | Method and apparatus for measuring surface configuration A method of measuring the surface configuration of a liquid surface, e.g. to measure surface tension. Liquid samples are confined in wells, e.g. of a multi-well microtitle plate, and a light beam is passed through the sample offset from the centre of the well. The i... | 05/29/2007 |
| 7223371 | Microfluidic channel network device Described herein is microfluidic device for joining fluids and a related method for doing the same. The device according to the present invention includes a microfluidic junction, an outlet channel, and a plurality of circuit units. A microfluidic junction is an are... | 05/29/2007 |
| 7223363 | Method and system for microfluidic interfacing to arrays A method and system for providing a fluidic interface to slides bearing microarrays of biomolecules or other samples immobilized thereon to perform a variety of chemical reactions or processing steps on the slide. An interface device seals against the slide to form ... | 05/29/2007 |
| 7220593 | Buffy coat separator float system and method A tube and float system for use in separation and axial expansion of the buffy coat includes a transparent or semi-transparent, flexible sample tube and a rigid separator float having a specific gravity intermediate that of red blood cells and plasma. The float incl... | 05/22/2007 |
| 7219800 | Modular array arrangements The present invention pertains to modular array arrangements comprising a carrier and at least one insert for attachment to said carrier, which at least one insert may be positioned in or on said carrier in a predetermined, fixed orientation. In addition, the presen... | 05/22/2007 |
| 7220334 | Method of manufacturing microdevice having laminated structure The present invention provides a method of manufacturing a microdevice having a fine capillary cavity formed as a cut portion of a very thin layer which is likely to be broken, particularly a method of manufacturing a microdevice having complicated passages formed i... | 05/22/2007 |
| 7220590 | Conductive plastic rack for pipette tips A conductive plastic tip rack for pipette tips includes a conductive outer shell formed around a support insert. The support insert serves as the skeleton for the tip rack, providing structural support to make the tip rack strong and sturdy. The conductive outer she... | 05/22/2007 |
| 7221448 | Test cell for a noble gas polarizer The invention relates to a sample cell with a glass body comprising a gas inlet and a gas outlet and at least one orifice, a plane glass window is fused into the orifice, the shape and size of the window corresponds to the shape and size of the orifice, the orifice ... | 05/22/2007 |
| 7217520 | Microwell biochip Microwell biochips (11) are formed from a thin flat plate (13) of polymeric material having a plurality of regularly spaced holes (15) that extend completely therethrough and create microwells. The lower end of each hole is closed by a microporo... | 05/15/2007 |
| 7217397 | Precious reagent container and method of use In a preferred embodiment, a precious reagent container, including; a horizontally elongated body; a plurality of vertical, aligned reagent wells defined in the body, the reagent wells having a common depth; and a common vertical channel joining the vertical, aligne... | 05/15/2007 |
| 7217396 | Microfabricated micro fluid channels A fluid delivery system including a first substrate having a micro-channel and a well both formed through the first substrate. The fluid delivery system also includes a second substrate and a delivery channel. The second substrate is on the first substrate and the d... | 05/15/2007 |
| 7217352 | Capillary electrophoresis device An electrophoresis device is disclosed that is capable of reducing waves occurring in a fluid in which the capillary tips of a capillary assay are immersed. A plurality of partition plate members can be provided in a container containing the fluid to divide the surf... | 05/15/2007 |
| 7218394 | Liquid specimen analysis disk assembly The present invention provides a liquid specimen analysis disk assembly, which prevents a liquid specimen from adhering onto a surface of a disk and leaking out of the disk, and is easy to handle during injection of the specimen. The disk assembly includes a guide m... | 05/15/2007 |
| 7217393 | Apparatus and method for process monitoring An apparatus is provided for testing fluid samples includes a sensor, which can be light source, directed to a flow cell and a photo sensor for detecting a light beam reflected from the flow cell. The photo sensor monitors the fluid in the flow cell by sensing the r... | 05/15/2007 |
| 7214199 | Urine analysis collection kit for veterinary use A system for collecting urine specimens from pet or animal comprising an elongated tray section having at one end a collection chamber for collecting a predetermined volume of urine in fluid communication with an open section of said tray to receive a stream of urin... | 05/08/2007 |
| 7214177 | Culture tube and angle rotor receiving the tube in centrifuge A culture/centrifugal tube includes a tube and a cap. The cap has a disk portion and an annular portion that define an annular groove therebetween. The annular groove opens at a position level with the surface of the disk portion. The open end of the tube extends in... | 05/08/2007 |
| 7214348 | Microfluidic size-exclusion devices, systems, and methods Microfluidic devices, assemblies, and systems are provided, as are methods of manipulating micro-sized samples of fluids. Microfluidic devices having a plurality of specialized processing features are also provided. ... | 05/08/2007 |
| 7214529 | Nucleic acid amplification reaction station for disposable test devices An instrument for conducting nucleic acid amplification reactions in a disposable test device. The test device includes a first reaction chamber containing a first nucleic acid amplification reagent (e.g., primers and nucleotides) and a second reaction chamber eithe... | 05/08/2007 |
| 7211442 | Microfluidic system including a virtual wall fluid interface port for interfacing fluids with the microfluidic system A fluid interface port in a microfluidic system and a method of forming the fluid interface port is provided. The fluid interface port comprises an opening formed in the side wall of a microchannel sized and dimensioned to form a virtual wall when the microchannel i... | 05/01/2007 |
| 7210575 | Two-component packaging unit The invention relates to a packaging unit for two substances to be stored separately from each other and mixed together before use, particularly a liquid and a powdered substance. The invention comprises a first container and a second container which is moveably sus... | 05/01/2007 |
| 7211225 | Filter devices for depositing material and density gradients of material from sample suspension The present invention provides a simple, inexpensive apparatus for and method of capturing biological or other material from sample suspensions on a collection surface and for depositing captured material on a receiving surface, such as a microscope slide, for obser... | 05/01/2007 |
| 7211437 | Method for removing consumable analytic products from a storage container A method and a device for removing an analytic consumable product, in particular a test element, from a storage container having chambers which are sealed by foils from which the consumable product is pushed out by means of a plunger (7) can be optimized in t... | 05/01/2007 |
| 7211443 | Device and method for multiple analyte detection The invention is directed to a method and device for simultaneously testing a sample for the presence, absence, and/or amounts of one or more a plurality of selected analytes. The invention includes, in one aspect, a device for detecting or quantitating a plurality ... | 05/01/2007 |
| 7211165 | Method of forming multiwell filtration plates A method of forming a multiwell filtration plate comprising of first gluing a filter to a major surface of a multiwell plate so as to close off one entrance to the wells of the plate. The filter is then heat sealed so as to collapse the pores of the filter in the ar... | 05/01/2007 |
| 7211224 | One piece filtration plate Laboratory device design particularly for a multiplate format that includes a plate or tray having a plurality of wells, and a drain in fluid communication with each of the plurality of wells. The plate is a one-piece design having a honeycomb structure that brings ... | 05/01/2007 |
| 7208125 | Methods and apparatus for minimizing evaporation of sample materials from multiwell plates Methods and devices for reducing evaporation of sample materials from the wells of multiwell plates are disclosed which find particular utility when the plates are placed in a stacked configuration. An example of the methods includes providing at least a first multi... | 04/24/2007 |
| 7208123 | Molecular contamination monitoring system and method A flow-through monitor for detecting molecular contamination (MC) within a fluid flow. The monitor has a diffusion chamber having an inlet port and an outlet port, and a structure for supporting a fluid flow from the inlet port to the outlet port. The structure incl... | 04/24/2007 |
| 7204581 | Magnetic actuator using ferrofluid slug A magnetostatic actuator uses a ferrofluid slug confined in a cylindrical tube which is wrapped in a conducting coil. By applying a current to the coil, a magnetic field is generated inside the coil. The ferrofluid slug may be attracted to the interior of the coil b... | 04/17/2007 |
| 7204637 | Automated device for homogenization and resuspension of substances, disintegration of cells, disruption of tissues and centrifugation of these media A device for mixing, homogenization, resuspension, disintegration, disruption, or centrifugation of media placed in test tubes, including: a rotor having a replaceable closure; a driver having a substantially vertical shaft; a sleeve having a spiral groove and a bus... | 04/17/2007 |
| 7205145 | Gas-borne matter collection device A device for collecting viable gas-borne matter includes an inlet and an outlet and a plate provided intermediate the inlet and the outlet and having a first surface facing the inlet and a second surface facing the outlet. A substance is provided on the first surfac... | 04/17/2007 |
| 7201874 | System for automatically extracting and analyzing residual solvents in material samples A system for quickly and automatically extracting and analysing residual solvents is realised for operating directly in the premises where the packing materials are being manufactured, printed and/or laminated. The system provides for a single unit equipped w... | 04/10/2007 |
| 7201875 | Fixed mounted sorting cuvette with user replaceable nozzle A flow cell and flow cytometer in which a nozzle at the end of a flow channel is disposed on a removable substrate held at a registered location on a flow cell. Other elements including illumination optics, light collection optics, and the flow cell may then be posi... | 04/10/2007 |
| 7201877 | Device and method for detecting sulfuryl fluoride A device for detecting sulfuryl fluoride, in which the gas specimen to be examined is subjected to pyrolysis with ensuing detection of a pyrolysis product, is to be improved for the sake of achieving a mobile, economical structure. To attain this object, in a prelim... | 04/10/2007 |
| 7203386 | Self-referencing waveguide grating sensors Self-referencing optical sensors and methods are described herein that can be used to detect bio-chemical interactions (e.g., biological binding of antigen-antibody pairs) that occur in for example a microplate. In one embodiment, the self-referencing optical sensor... | 04/10/2007 |
| 7198753 | System and method for monitoring and/or controlling attributes of multiple chemical mixtures with a single sensor A monitoring system is presented. The monitoring system may include a first chemical vessel containing a first chemical mixture and a second chemical vessel containing a second chemical mixture. The monitoring system may further include a sensor configured to select... | 04/03/2007 |
| 7198759 | Microfluidic devices, methods, and systems Microfluidic assemblies, systems, and methods are provided for manipulating fluid samples. Assemblies include an elastically deformable cover layer and a less elastically deformable substrate. The methods include deforming the substrate through the cover layer so th... | 04/03/2007 |
| 7198606 | Method and apparatus for a multi-use body fluid sampling device with analyte sensing A device for use with a penetrating member driver to penetrate tissue is provided. A plurality of penetrating members are coupled to a single cartridge and are operatively couplable to the penetrating member driver. The penetrating members are movable to extend radi... | 04/03/2007 |
| 7198893 | DNA diagnostics based on mass spectrometry Fast and highly accurate mass spectrometry-based processes for detecting a particular nucleic acid sequence in a biological sample are provided. Depending on the sequence to be detected, the processes can be used, for example, to diagnose a genetic disease or chromo... | 04/03/2007 |
| 7197949 | Meso sniffer: a device and method for active gas sampling using alternating flow A sampling system for detecting an analyte, comprising a diaphragm pump, a buffer chamber, a sensor head and intake port. The pump includes a chamber for receiving fluids via first and second ports. A buffer chamber is located at the second port for holding a quanti... | 04/03/2007 |
| 7198757 | Protected stopper for test-tubes Protected stopper for test-tubes, including a substantially cylindrically extending elastomer inner body arrangeable to close a test-tube including a sealing portion formed to be inserted inside the mouth of the test-tube and a collar piece connected above the seali... | 04/03/2007 |